Hiccups after taking cold medicine can be relieved by patting your back, drinking warm water and holding your breath. 1. Pat the back: when taking cold medicine, if you take the medicine improperly will inhale a lot of air into the stomach, and pat the back, can also promote the gas out of the body, is conducive to alleviate the symptoms of hiccups. 2. Drink warm water: Drinking warm water can promote the peristalsis of the gastrointestinal tract and accelerate the speed of gas expulsion, but it is not advisable to drink too much warm water at a time, otherwise it will aggravate the burden on the gastrointestinal tract. 3. Hold your breath: hiccups are due to the diaphragm is stimulated, and the diaphragm is innervated by the vagus nerve, by holding your breath can stimulate the vagus nerve, so that the heart rate slows down, which can alleviate the symptoms of hiccups. If the hiccups can not be relieved by the above methods, it means that it may not be caused by taking cold medicine, but by other reasons, it is recommended to go to the hospital, to clarify the cause of the disease, and follow the doctor’s instructions for treatment.